Finding the Fourth Proportional to 105,634.01, 158,449.49 and 25,672.57

Step by Step Solution

1. Step 1: Write the proportion equation
   105,634.01 : 158,449.49 = 25,672.57 : x
2. Step 2: Convert to fraction form
   105,634.01/158,449.49 = 25,672.57/x
3. Step 3: Cross multiply
   105,634.01x = 158,449.49 × 25,672.57
4. Step 4: Simplify right side
   105,634.01x = 4,067,805,195.27
5. Step 5: Solve for x
   x = 4,067,805,195.27/105,634.01
6. Step 6: Final answer
   x = 38,508.48